Dwi Ngestiningsih, M Agung Wibowo Wicaksono, Probosuseno, Yuswo Supatmo, and Banundari Rachmawati. “The Effect of Chair-Based Exercise and Vitamin D Levels With Hand Grip Strength in Elderly Woman”. Bali Medical Journal 11, no. 3 (December 19, 2022): 1953–1955. Accessed December 8, 2023. https://balimedicaljournal.org/index.php/bmj/article/view/3786.